Air cleaning apparatus



FIG. 1 is a front, left side and top perspective view of an air cleaning apparatus comprising a new, original and ornamental design;

FIG. 2 is a left view thereof;

FIG. 3 is a right view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines, and all areas viewable through the side planes of the article in FIGS. 1-3, depict portions of the air cleaning apparatus that form no part of the claimed design. 

CLAIM The ornamental design for an air cleaning apparatus, substantially as shown and described. 